The U.S. General Accountability Office has issued a report that contends the Renewable Fuel Standard won't lead to the projected cuts in greenhouse gases. The GAO also said it sees "limited potential" for expansion in cellulosic and other advanced biofuels by 2022.

A northeast Iowa electric co-op plans to change its net-metering policy in a way that could hamper efforts to expand rooftop solar energy installations in several counties, Midwest Energy News reported.